There are more than three trillion trees worldwide, but that's only half as many were around at the start of human civilisation according to new research.

Save the rainforests? A new study shows mangroves matter too, as they can store three to five times more carbon than rainforests.
Daniel Murdiyarso for Center for International Forestry Research
July 30, 2015

The mid year Bonn negotiations for the proposed new global agreement to tackle climate change have just concluded. They will be finalised at the end of the year in Paris. What progress is being made? What are the challenging issues that may end up being a focus of negotiations in Paris? What does the roadmap from here look like?

Eastern Australia’s forests could be a hotspot for deforestation in the future - just like these forests in south east Asia.
William Laurance
April 29, 2015

The much-hyped 2009 Copenhagen climate summit yielded only a flimsy accord. But, as Nick Rowley writes in part 2 of his three-part essay on the 2015 Paris climate talks, there are several reasons why this year won't see another flop.

Observations from space have shown the world overall is getting greener despite deforestation and drought.
Carl Davies/CSIRO
March 30, 2015

At the Asia-Pacific Rainforest Summit, which concluded yesterday in Sydney, environment minister Greg Hunt announced A$6 million to combat illegal logging. While the funding builds on legislation to ensure…